Home / 97,804.08-134,969.76-55,376.28

Finding the Fourth Proportional to 97,804.08, 134,969.76 and 55,376.28

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Solution

The fourth proportional to 97,804.08, 134,969.76 and 55,376.28 is: 76,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,804.08 : 134,969.76 = 55,376.28 : x
  2. Step 2: Convert to fraction form
    97,804.08/134,969.76 = 55,376.28/x
  3. Step 3: Cross multiply
    97,804.08x = 134,969.76 × 55,376.28
  4. Step 4: Simplify right side
    97,804.08x = 7,474,123,221.29
  5. Step 5: Solve for x
    x = 7,474,123,221.29/97,804.08
  6. Step 6: Final answer
    x = 76,419.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.